PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/16-15:12:50
G02     201.8          21.5                9.9 +/-    2.80      21.0 +/-    2.80  0.150 / 0.210
G06     165.6          59.4                8.2 +/-    0.78       9.4 +/-    0.78  0.190 / 0.250
G12     302.9          11.7                6.3 +/-    5.02      17.0 +/-    5.02  0.090 / 0.120
G13     224.5          10.8                7.7 +/-   17.57      21.0 +/-   17.57  0.080 / 0.110
G17     27.4           56.0                7.5 +/-    0.90       8.9 +/-    0.90  0.190 / 0.330
G19     322.0          70.0                6.3 +/-    0.50       6.6 +/-    0.50  0.310 / 0.210
G24     306.5          33.4                4.4 +/-    2.24       7.3 +/-    2.24  0.280 / 0.460
G28     91.5           37.9                7.5 +/-    1.12      11.3 +/-    1.12  0.300 / 0.520
G30     158.1          12.9                9.0 +/-    1.47      23.6 +/-    1.47  0.040 / 0.040